30030728

Names of 30030728

• Cardinal: 30030728 can be written as Thirty million, thirty thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 3.0030728 × 10⁷

Factors of 30030728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 176

Divisors of 30030728

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 49 52 56 71 83 91 98 104 142 166 182 196 284 332 364 392 497 568 581 637 664 728 923 994 1079 1162 1274 1846 1988 2158 2324 2548 3479 3692 3976 4067 4316 4648 5096 5893 6461 6958 7384 7553 8134 8632 11786 12922 13916 15106 16268 23572 25844 27832 30212 32536 41251 45227 47144 51688 52871 60424 76609 82502 90454 105742 153218 165004 180908 211484 288757 306436 330008 361816 422968 536263 577514 612872 1072526 1155028 2145052 2310056 3753841 4290104 7507682 15015364 30030728
• Sum of all divisors σ(n): 72394560
• Sum of proper divisors (its aliquot sum) s(n): 42363832
• 30030728 is an abundant number, because the sum of its proper divisors (42363832) is greater than itself. Its abundance is 12333104

Bases of 30030728

• Binary: 1110010100011101110001000₂
• Hexadecimal: 0x1CA3B88
• Base-36: HVNUW

Squares and roots of 30030728

• 30030728 squared (30030728²) is 901844624209984
• 30030728 cubed (30030728³) is 27083050607912244388352
• The square root of 30030728 is 5480.0299269255
• The cube root of 30030728 is 310.8293022179

Scales and comparisons

• 30,030,728 seconds is equal to 49 weeks, 4 days, 13 hours, 52 minutes, 8 seconds.
• To count from 1 to 30,030,728 would take you about twenty-two weeks!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 30030728 cubic inches would be around 25.9 feet tall.

Recreational maths with 30030728

• 30030728 backwards is 82703003
• The number of decimal digits it has is: 8
• The sum of 30030728's digits is 23
• More coming soon!